Owner manual
ACJ Series Applicator Systems
14
2000 Nordson Corporation
All rights reserved
303 810A
Issued 1/00
Manual 12-46
WARNING: Allow only qualified personnel to perform the
following tasks. Follow the safety instructions in this document
and all other related documentation.
This section contains troubleshooting procedures that cover the most
common problems you may encounter. If you cannot solve the problems
with the information given here, contact your local Nordson
representative for help.
Refer to the
Parts
section for parts information and exploded views of the
applicators.
Problem Possible Cause Corrective Action
1. No material dispensed Fluid system air pressure too low Increase air pressure at pressure
controller.
Air tubing to reservoir or applicator
syringe kinked or damaged
Check air tubing, repair or replace as
necessary.
Nozzle clogged Remove nozzle and clean.
Micrometer adjustment does not
allow needle to lift off seat
Turn micrometer knob counterclockwise
to increase needle travel.
Solenoid coil shorted or open Replace coil.
ACJ-1 controller malfunction Check for 24 Vdc output to applicator
when output indicator is lit.
2. Intermittent dispensing Air tubing to ACJ-S applicator kinking
when robot moves
Rearrange tubing or replace with a
longer piece.
Timer setting too short Minimum time is 4 ms. Set to 4 ms or
longer.
Solenoid coil has intermittent short or
open
Replace coil.
3. Wide variance in
delivery quality
Micrometer adjustment allows too
much needle travel
Turn micrometer knob clockwise to
decrease needle travel.
Air pressure to reservoir or syringe
unstable
Use a low-pressure regulator if air
pressure must be below 1 bar (14 psi).
Air tubing to ACJ-S applicator kinking
when robot moves
Rearrange tubing or replace with a
longer piece.
Solenoid coil has intermittent short or
open
Replace coil.
4. Troubleshooting
Troubleshooting Chart